68914287 has 16 divisors (see below), whose sum is σ = 109949280. Its totient is φ = 42408576.

The previous prime is 68914259. The next prime is 68914291. The reversal of 68914287 is 78241986.

It is not a de Polignac number, because 68914287 - 2²⁰ = 67865711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68914207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97818 + ... + 98519.

It is an arithmetic number, because the mean of its divisors is an integer number (6871830).

Almost surely, 2^68914287 is an apocalyptic number.

68914287 is a deficient number, since it is larger than the sum of its proper divisors (41034993).

68914287 is a wasteful number, since it uses less digits than its factorization.

68914287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196359 (or 196353 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 68914287 is about 8301.4629433612. The cubic root of 68914287 is about 409.9866880469.

The spelling of 68914287 in words is "sixty-eight million, nine hundred fourteen thousand, two hundred eighty-seven".